Add dynamic admin panel for managing entities (#108)

pkg/ui/pages/admin_entity.go

@@ -0,0 +1,136 @@
+package pages
+
+import (
+	"fmt"
+	"net/url"
+
+	"entgo.io/ent/entc/load"
+	"github.com/labstack/echo/v4"
+	"github.com/mikestefanello/pagoda/ent/admin"
+	"github.com/mikestefanello/pagoda/pkg/pager"
+	"github.com/mikestefanello/pagoda/pkg/routenames"
+	"github.com/mikestefanello/pagoda/pkg/ui"
+	. "github.com/mikestefanello/pagoda/pkg/ui/components"
+	"github.com/mikestefanello/pagoda/pkg/ui/forms"
+	"github.com/mikestefanello/pagoda/pkg/ui/layouts"
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/components"
+	. "maragu.dev/gomponents/html"
+)
+
+func AdminEntityDelete(ctx echo.Context, entityTypeName string) error {
+	r := ui.NewRequest(ctx)
+	r.Title = fmt.Sprintf("Delete %s", entityTypeName)
+
+	return r.Render(
+		layouts.Primary,
+		forms.AdminEntityDelete(r, entityTypeName),
+	)
+}
+
+func AdminEntityInput(ctx echo.Context, schema *load.Schema, values url.Values) error {
+	r := ui.NewRequest(ctx)
+	if values == nil {
+		r.Title = fmt.Sprintf("Add %s", schema.Name)
+	} else {
+		r.Title = fmt.Sprintf("Edit %s", schema.Name)
+	}
+
+	return r.Render(
+		layouts.Primary,
+		forms.AdminEntity(r, schema, values),
+	)
+}
+
+func AdminEntityList(
+	ctx echo.Context,
+	entityTypeName string,
+	entityList *admin.EntityList,
+) error {
+	r := ui.NewRequest(ctx)
+	r.Title = entityTypeName
+
+	genHeader := func() Node {
+		g := make(Group, 0, len(entityList.Columns)+3)
+		g = append(g, Th(Text("ID")))
+		for _, h := range entityList.Columns {
+			g = append(g, Th(Text(h)))
+		}
+		g = append(g, Th(), Th())
+		return g
+	}
+
+	genRow := func(row admin.EntityValues) Node {
+		g := make(Group, 0, len(row.Values)+3)
+		g = append(g, Th(Text(fmt.Sprint(row.ID))))
+		for _, h := range row.Values {
+			g = append(g, Td(Text(h)))
+		}
+		g = append(g,
+			Td(
+				ButtonLink(
+					r.Path(routenames.AdminEntityEdit(entityTypeName), row.ID),
+					"is-link",
+					"Edit",
+				),
+			),
+			Td(
+				ButtonLink(r.Path(routenames.AdminEntityDelete(entityTypeName), row.ID),
+					"is-danger",
+					"Delete",
+				),
+			),
+		)
+		return g
+	}
+
+	genRows := func() Node {
+		g := make(Group, 0, len(entityList.Entities))
+		for _, row := range entityList.Entities {
+			g = append(g, Tr(genRow(row)))
+		}
+		return g
+	}
+
+	pagedHref := func(page int) string {
+		return fmt.Sprintf("%s?%s=%d",
+			r.Path(routenames.AdminEntityList(entityTypeName)),
+			pager.QueryKey,
+			page,
+		)
+	}
+
+	return r.Render(layouts.Primary, Group{
+		ButtonLink(
+			r.Path(routenames.AdminEntityAdd(entityTypeName)),
+			"is-primary",
+			fmt.Sprintf("Add %s", entityTypeName),
+		),
+		Table(
+			Class("table"),
+			THead(
+				Tr(genHeader()),
+			),
+			TBody(genRows()),
+		),
+		Nav(
+			Class("pagination"),
+			A(
+				Classes{
+					"pagination-previous": true,
+					"is-disabled":         entityList.Page == 1,
+				},
+				If(entityList.Page != 1, Href(pagedHref(entityList.Page-1))),
+				Text("Previous page"),
+			),
+			A(
+				Classes{
+					"pagination-previous": true,
+					"is-disabled":         !entityList.HasNextPage,
+				},
+				If(entityList.HasNextPage, Href(pagedHref(entityList.Page+1))),
+				Text("Next page"),
+			),
+		),
+	})
+}